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std::unary_function< _Arg, _Result >(3cxx) std::unary_function< _Arg, _Result >(3cxx)


std::unary_function< _Arg, _Result >


Inherited by std::pointer_to_unary_function< _Arg, _Result >.

Public Types

typedef _Arg argument_type
argument_type is the type of the argument typedef _Result result_type
result_type is the return type

Detailed Description

template<typename _Arg, typename _Result>

struct std::unary_function< _Arg, _Result >" Helper for defining adaptable unary function objects.


Deprecated in C++11, no longer in the standard since C++17.

Definition at line 117 of file stl_function.h.

Member Typedef Documentation

template<typename _Arg , typename _Result > typedef _Arg std::unary_function< _Arg, _Result >::argument_type

argument_type is the type of the argument

Definition at line 120 of file stl_function.h.

template<typename _Arg , typename _Result > typedef _Result std::unary_function< _Arg, _Result >::result_type

result_type is the return type

Definition at line 123 of file stl_function.h.


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Wed Jul 20 2022 libstdc++